package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.gulimall.product.dao.AttrGroupDao;
import com.atguigu.gulimall.product.entity.AttrEntity;
import com.atguigu.gulimall.product.entity.AttrGroupEntity;
import com.atguigu.gulimall.product.service.AttrGroupService;
import com.atguigu.gulimall.product.service.AttrService;
import com.atguigu.gulimall.product.vo.AttrGroupWithAttrsVO;
import com.atguigu.gulimall.product.vo.SpuItemAttrGroupVo;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Autowired
    AttrService attrService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public List<AttrGroupWithAttrsVO> getAttrGroupWithAttrsByCatalogId(Long catalogId) {
        //查询分组信息；
        List<AttrGroupEntity> attrGroupEntities = this.list(new QueryWrapper<AttrGroupEntity>().eq("catalog_id", catalogId));

        //查询所有属性
        List<AttrGroupWithAttrsVO> collect = attrGroupEntities.stream().map(item -> {
            AttrGroupWithAttrsVO attrsVO = new AttrGroupWithAttrsVO();
            BeanUtils.copyProperties(item, attrsVO);
            List<AttrEntity> attrs = attrService.getRelationAttr(attrsVO.getAttrGroupId());
            attrsVO.setAttrs(attrs);
            return attrsVO;
        }).collect(Collectors.toList());
        return collect;
    }

    @Override
    public List<SpuItemAttrGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {

        //查出当前spu对应的所有属性的分组信息以及当前分组信息
        AttrGroupDao baseMapper = this.getBaseMapper();
        List<SpuItemAttrGroupVo> vos = baseMapper.getAttrGroupWithAttrBySpuId(spuId, catalogId);



        return vos;
    }

}
